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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0694097 (1985-01-23) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 11 인용 특허 : 3 |
A rotary valve for fluid flow control is provided having curved sealing surfaces, at least one of which has a cross-sectional arc segment forming a portion of an involute, for a valve closure member and a fluid port valve seat or seating surface. By machining the sealing surfaces of the valve closur
Rotary valve means for controlling fluid flow therethrough, comprising: valve housing means having fluid passageway therethrough; valve closure member movably supported in said valve housing means about a pivotal axis and having a shaped sealing surface; and valve seat surface means within said valv
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